(0 3 2)(1 20 18 7 4)(5 21 19 16 14)(6 10 8)(9 15 13)(11 17 12)
ALLOWS (11/8)-SEQUENCE
1: (0 3 7)

(0 4 1 20 18 7 2)(3)(5 21 19 16 14)(6 10 8)(9 15 13)(11 17 12)
2: (1 20 4)

(0 4 18 7 2)(1)(3)(5 21 19 16 14)(6 10 8)(9 15 13)(11 17 12)(20)
3: (5 21 19)

(0 4 18 7 2)(1)(3)(5 16 14)(6 10 8)(9 15 13)(11 17 12)(19)(20)(21)
4: (0 4 18)

(0 7 2)(1)(3)(4)(5 16 14)(6 10 8)(9 15 13)(11 17 12)(18)(19)(20)(21)